QEP 200 sq. ft. 48 in. x 50 ft. x 1/8 in. Cork Underlayment Roll 200 sq. ft. roll; natural cork from Portugal; 48 in. x 50 ft. x 1/8 in. Sound and crack isolation underlayment for tile, laminate and floated or glue-down wood floors Use under ceramic tile, stone, marble, engineered hardwood and laminate floors Reduces thermal transmission, increasing the effectiveness of floor heating systems A natural substance, cork helps repel insects, pests, mites, and termites